Fixed a display bug with contextLimitedFactor.pl
Added href to knowl links
Changed pts to points
First attempt at adding aria labels
Added BLABEL and ELABEL
Increased aria support
Added aria-labels to matrix answers
Merge branch 'patch-input-colors' of http://github.com/dpvc/pg into access

Conflicts:
	lib/Value/AnswerChecker.pm
Added aria label support for multianswers
Polish after whitebox testing.  Added missing BBOLD and EBOLD stuff.
Upgraded aria labelling so it works with matricies inside multianswer
Fixed ans_array to work properly with multianswer.  Did some double checking just to make sure.
Merge remote-tracking branch 'upstream/develop' into access
New scaffolding macros.
Add documentation about solutions.
Address Geoff's comments.  Add after_AnswerDate_can_open and hardcopy_is_open options to make it possible to see all the part after the answer date, and all the openable parts in hardcopy.  Fix issues with viewing problems in library browser and problem detail page.  Add more CSS for those situations.  Open all sections in library browser.
Rewrap POD sections to remove trailing spaces, etc.
Merge pull request #147 from goehle/readbug

Fixing read_whole_problem_file bug
Added encode_pg_and_html subroutine that encodes all html, ev3 and pgml special characters.  I also made a bunch of changes to different files to use the new subroutine.
Merge branch 'master' of https://github.com/openwebwork/pg into encodebug2

Conflicts:
	macros/PG.pl